Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

Print Friendly, PDF & Email
 25%

Page 1 of 4

1. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

2. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be

3. Which of the following cycles uses air as the refrigerant?

4. A thermostatic expansion valve in a refrigeration system

5. Rating of a domestic refrigerator is of the order of

6. The condition of refrigerant after passing through the condenser in a vapour compression system is

7. Which of the following statement is correct?

8. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the

9. In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about

10. Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order of


 

Tags:

VideRime

A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

2 Responses

  1. create binance account says:
    December 7, 2025 at 8:21 pm

    Can you be more specific about the content of your article? After reading it, I still have some doubts. Hope you can help me. https://www.binance.info/register?ref=IHJUI7TF

    Reply
  2. 创建免费账户 says:
    March 16, 2026 at 9:34 pm

    Thanks for sharing. I read many of your blog posts, cool, your blog is very good. https://www.binance.com/join?ref=IXBIAFVY

    Reply

Leave a Reply